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Volume 21 Issue 1
Sep.  2013
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Citation:
shu

Optical density measurement of laser protection filters

  • 1.

    National Laser Product Quality Supervising and Testing Center, Beijing, 100010

  • Received Date: 1995-09-21
    Accepted Date: 1995-09-21
  • Optical density D,defined as D=-log(transition light power Pt/total incident light power Pi),is one of important performance figures of laser eye protective glasses.In practice,it is defficult to make the measurement of parameter D>3.This paper proposed a measurement system including a laser source,double optical path subsystem,a data sampling and processing subsystem with computer.With the system,the case of parameter D>6 can be measured.
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  • [1] G B7247-87激光产品的辐射安全设备分类、要求和用户指南.北京:国家标准局,1987:5
    [2]

    Sliney D H,Wolbarsht M L.Safety with laser and other optical sources.New York:Plenum Prec.1980:538~540
    [3] G B7247-87激光产品的辐射安全设备分类、要求和用户指南.北京:国家标准局,1987:14
    [4] 北京大学激光原理编写组.激光原理.北京:北京大学出版社,1976:32
    [5]

    Paul E,Penelope K G.Health Physics,1989;56(3):741
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  • 1. 

    沈阳化工大学材料科学与工程学院 沈阳 110142

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Optical density measurement of laser protection filters

  • 1. National Laser Product Quality Supervising and Testing Center, Beijing, 100010
  • Received Date: 1995-09-21
  • Accepted Date: 1995-09-21
  • Available Online: 1997-01-25

Abstract: Optical density D,defined as D=-log(transition light power Pt/total incident light power Pi),is one of important performance figures of laser eye protective glasses.In practice,it is defficult to make the measurement of parameter D>3.This paper proposed a measurement system including a laser source,double optical path subsystem,a data sampling and processing subsystem with computer.With the system,the case of parameter D>6 can be measured.

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